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Creased device in tunnel excavating device
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Tunnel excavation method and device therefor
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Thick layer mat and slope greening method
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Plantation method for rock mass slope
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Greening work for face of slope
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Castable refractory for spraying and coating
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Sprayed grating crib work and joint structure
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Method for planting tree on face of slope
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Greening method for slope
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Rebound-prevented seed and slope seeding
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Seed used for slope seeding and seeding
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Water shielding construction in waste disposal site
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Chimney repairing device
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Ground improvement device and construction method
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Ground improving device
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Hard body creating method
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Construction mehtod for soil improvement and device therefor
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Construction method for soil improvement and device therefor
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Slope face greening method
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